Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
141 words
A universal elevator shaft entrance construction for installation in the doorway of an elevator shaft having parallel vertical elevator car guide rails on opposite sides thereof, said construction comprising a pair of sill support brackets adapted to be bolted to the building floor adjacent the doorway in laterally spaced overhanging relationship to the elevator shaft, an entrance sill secured to the overhanging portions of said sill support brackets, a pair of hanger header support brackets secured to their respective elevator car guide rails, a hanger header secured to and extending between said hanger support brackets, a pair of vertical columns having upper portions thereof connected to and suspended from said hanger header and having lower portions connected to said sill support brackets, and an upstanding entrance door frame structure disposed in the doorway adjacent said columns and said sill support brackets.
Claim 2
Dependent Claim
141 words
A universal elevator shaft entrance construction for installation in the doorway of an elevator shaft having parallel vertical elevator car guide rails on opposite sides thereof, said construction comprising a pair of sill support brackets adapted to be bolted to the building floor adjacent the doorway in laterally spaced overhanging relationship to the elevator shaft, an entrance sill secured to the overhanging portions of said sill support brackets, a pair of hanger header support brackets secured to their respective elevator car guide rails, a hanger header secured to and extending between said hanger support brackets, a pair of vertical columns having upper portions thereof connected to and suspended from said hanger header and having lower portions connected to said sill support brackets, and an upstanding entrance door frame structure disposed in the doorway adjacent said columns and said sill support brackets.
Claim 3
Dependent Claim
50 words
A universal elevator shaft entrance construction, according to claim 1, wherein said sill support brackets have upper arms adapted to be secured to the building floor and lower arms offset downwardly relatively to said upper arms and overhanging the elevator shaft with said entrance sill supported by said lower arm.
Claim 4
Dependent Claim
19 words
A universal elevator shaft entrance construction, according to claim 2, wherein said sill support brackets are of unfolded Z-configuration.
Claim 5
Dependent Claim
28 words
A universal elevator shaft entrance construction, according to claim 1, wherein said door frame structure includes a pair of door jamb elements at least partially enclosing said columns.
Claim 6
Dependent Claim
28 words
A universal elevator shaft entrance construction, according to claim 4, wherein said door frame structure also includes a head member disposed above and interconnecting said door jamb elements.
Claim 7
Dependent Claim
29 words
A universal elevator shaft entrance construction, according to claim 5, wherein said columns carry resilient elements and wherein said door frame structure is yieldingly connected to said resilient elements.
Claim 8
Dependent Claim
32 words
A universal elevator shaft entrance construction, according to claim 1, wherein said header support brackets have clAmping members connected thereto remote from said hanger header and adapted to grip the guide rails.
Claim 9
Dependent Claim
23 words
A universal elevator shaft entrance construction, according to claim 7, wherein said clamping members are pivotally connected to their respective header support brackets.
Claim 10
Dependent Claim
29 words
A universal elevator shaft entrance construction, according to claim 1, wherein said sill support brackets and said entrance door frame structure have locating elements positioned therebetween and connected thereto.